diff options
| -rw-r--r-- | drivers/mtd/nand/orion_nand.c | 39 |
1 files changed, 11 insertions, 28 deletions
diff --git a/drivers/mtd/nand/orion_nand.c b/drivers/mtd/nand/orion_nand.c index 471b4df3a5ac..0b49d5d34c50 100644 --- a/drivers/mtd/nand/orion_nand.c +++ b/drivers/mtd/nand/orion_nand.c @@ -19,7 +19,7 @@ #include <linux/mtd/partitions.h> #include <linux/clk.h> #include <linux/err.h> -#include <asm/io.h> +#include <linux/io.h> #include <asm/sizes.h> #include <linux/platform_data/mtd-orion_nand.h> @@ -85,33 +85,24 @@ static int __init orion_nand_probe(struct platform_device *pdev) int ret = 0; u32 val = 0; - nc = kzalloc(sizeof(struct nand_chip) + sizeof(struct mtd_info), GFP_KERNEL); - if (!nc) { - ret = -ENOMEM; - goto no_res; - } + nc = devm_kzalloc(&pdev->dev, + sizeof(struct nand_chip) + sizeof(struct mtd_info), + GFP_KERNEL); + if (!nc) + return -ENOMEM; mtd = (struct mtd_info *)(nc + 1); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - ret = -ENODEV; - goto no_res; - } + io_base = devm_ioremap_resource(&pdev->dev, res); - io_base = ioremap(res->start, resource_size(res)); - if (!io_base) { - dev_err(&pdev->dev, "ioremap failed\n"); - ret = -EIO; - goto no_res; - } + if (IS_ERR(io_base)) + return PTR_ERR(io_base); if (pdev->dev.of_node) { board = devm_kzalloc(&pdev->dev, sizeof(struct orion_nand_data), GFP_KERNEL); - if (!board) { - ret = -ENOMEM; - goto no_res; - } + if (!board) + return -ENOMEM; if (!of_property_read_u32(pdev->dev.of_node, "cle", &val)) board->cle = (u8)val; else @@ -185,9 +176,6 @@ no_dev: clk_disable_unprepare(clk); clk_put(clk); } - iounmap(io_base); -no_res: - kfree(nc); return ret; } @@ -195,15 +183,10 @@ no_res: static int orion_nand_remove(struct platform_device *pdev) { struct mtd_info *mtd = platform_get_drvdata(pdev); - struct nand_chip *nc = mtd->priv; struct clk *clk; nand_release(mtd); - iounmap(nc->IO_ADDR_W); - - kfree(nc); - clk = clk_get(&pdev->dev, NULL); if (!IS_ERR(clk)) { clk_disable_unprepare(clk); |